054
FZUS54 KLCH 041743
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
1143 AM CST Thu Dec 4 2025

Coastal waters from the Lower Atchafalaya River LA to High
Island TX out 60 nautical miles including Sabine and
Calcasieu Lakes and Vermilion and Cote Blanche Bays

Seas are provided as a range of the average height of the
highest one third of the waves, along with the occasional
height of the average highest ten percent of the waves.

GMZ400-050600-
1143 AM CST Thu Dec 4 2025

.Synopsis for Lower Atchafalaya River LA to High Island TX out
60 NM including Sabine and Calcasieu Lakes and Vermilion and Cote
Blanche Bays...

A small craft advisory is now in effect as ASCAT showed 20 knot
winds in our western waters. Winds will remain gusty and offshore
through tonight with the SCA ending at 09Z tonight. With the
offshore flow there is a possibility for a low water event (-1.0
ft below MLLW) during low tide on Friday morning. For the weekend
conditions will improve before another cold front brings more
gusty offshore winds on Monday.

$$

GMZ430-050600-
Sabine Lake-
1143 AM CST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...North winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Lake waters rough. A slight chance of
showers this evening.
.FRIDAY...North winds 10 to 15 knots, becoming northeast around
5 knots in the afternoon. Lake waters choppy. A chance of
showers.
.FRIDAY NIGHT...Northeast winds around 5 knots. Lake waters
smooth. A chance of showers.
.SATURDAY...Northeast winds around 5 knots, becoming southeast in
the afternoon. Lake waters smooth. A chance of showers in the
morning.
.SATURDAY NIGHT...Southeast winds around 5 knots. Lake waters
smooth.
.SUNDAY...West winds 5 to 10 knots. Lake waters light chop.
.SUNDAY NIGHT...North winds 15 to 20 knots. Lake waters rough.
.MONDAY...North winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Lake waters choppy.
.MONDAY NIGHT...Northeast winds around 5 knots. Lake waters
smooth.
.TUESDAY...East winds around 5 knots, becoming south in the
afternoon. Lake waters smooth.
.TUESDAY NIGHT...South winds around 5 knots. Lake waters smooth.

$$

GMZ432-050600-
Calcasieu Lake-
1143 AM CST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...North winds 15 to 20 knots, diminishing to 10 to
15 knots late. Lake waters rough. A chance of showers early this
evening, then a slight chance of showers late this evening.
.FRIDAY...North winds 10 to 15 knots, becoming northeast 5 to
10 knots in the afternoon. Lake waters choppy. A chance of
showers.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Lake waters light
chop. A chance of showers in the evening, then showers likely
after midnight.
.SATURDAY...Northeast winds 5 to 10 knots, becoming east in the
afternoon. Lake waters light chop. A chance of showers, mainly in
the morning.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters
light chop. A slight chance of showers.
.SUNDAY...North winds 5 to 10 knots, becoming northwest in the
afternoon. Lake waters light chop.
.SUNDAY NIGHT...North winds 15 to 20 knots. Lake waters rough.
.MONDAY...North winds 15 to 20 knots, diminishing to around
10 knots in the afternoon. Lake waters rough.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. Lake waters light
chop.
.TUESDAY...Northeast winds around 5 knots, becoming southeast in
the afternoon. Lake waters smooth.
.TUESDAY NIGHT...South winds 5 to 10 knots. Lake waters light
chop.

$$

GMZ435-050600-
Vermilion and West Cote Blanche Bays-
1143 AM CST Thu Dec 4 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...North winds 10 to 15 knots. Bay waters choppy. A
slight chance of thunderstorms.
.FRIDAY...North winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Bay waters choppy. A chance of showers
in the morning, then showers likely in the afternoon.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Bay waters light
chop. Showers.
.SATURDAY...Northeast winds 5 to 10 knots. Bay waters light chop.
Showers likely with a slight chance of thunderstorms in the
morning, then a chance of showers in the afternoon.
.SATURDAY NIGHT...East winds around 5 knots. Bay waters smooth. A
chance of showers. A slight chance of thunderstorms after
midnight.
.SUNDAY...Northeast winds around 5 knots, becoming northwest in
the afternoon. Bay waters light chop. A slight chance of showers
in the morning.
.SUNDAY NIGHT...North winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. Bay waters rough. A slight chance of
showers in the evening.
.MONDAY...North winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Bay waters rough.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. Bay waters light
chop.
.TUESDAY...Northeast winds 5 to 10 knots, diminishing to around
5 knots in the afternoon. Bay waters light chop.
.TUESDAY NIGHT...South winds around 5 knots. Bay waters smooth.

Winds and waves higher in and near thunderstorms.

$$

GMZ436-050600-
Atchafalaya and East Cote Blanche Bays-
1143 AM CST Thu Dec 4 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...North winds 5 to 10 knots, increasing to 10 to
15 knots late. Bay waters choppy. A chance of showers.
.FRIDAY...North winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Bay waters choppy. A chance of showers
with a slight chance of thunderstorms in the morning, then
showers likely in the afternoon.
.FRIDAY NIGHT...Northeast winds around 5 knots. Bay waters
smooth. Showers.
.SATURDAY...Northeast winds 5 to 10 knots. Bay waters light chop.
Showers with a slight chance of thunderstorms in the morning,
then showers likely in the afternoon.
.SATURDAY NIGHT...East winds around 5 knots. Bay waters smooth. A
chance of showers with a slight chance of thunderstorms.
.SUNDAY...North winds around 5 knots. Bay waters smooth. A slight
chance of thunderstorms in the morning. A slight chance of
showers.
.SUNDAY NIGHT...North winds 10 to 15 knots. Bay waters choppy. A
slight chance of showers in the evening.
.MONDAY...North winds 10 to 15 knots. Bay waters choppy.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. Bay waters light
chop.
.TUESDAY...North winds around 5 knots. Bay waters smooth.
.TUESDAY NIGHT...South winds around 5 knots. Bay waters smooth.

Winds and waves higher in and near thunderstorms.

$$

GMZ450-050600-
Coastal waters from Cameron LA to High Island TX out 20 NM-
1143 AM CST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...North winds 15 to 20 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 3 feet at 4 seconds and south 2 feet at
6 seconds. A chance of showers this evening. A slight chance of
showers late.
.FRIDAY...North winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: North 2 feet at 3 seconds and south 1 foot at 6 seconds.
A chance of showers in the morning, then showers likely in the
afternoon.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Northeast 1 foot at 3 seconds and southeast
1 foot at 6 seconds. Showers likely.
.SATURDAY...East winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: Southeast 1 foot at
4 seconds. A chance of showers, mainly in the morning.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: Southeast 1 foot at 4 seconds. A slight chance
of showers.
.SUNDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less,
then around 2 feet in the afternoon. Wave Detail: West 1 foot at
3 seconds and southeast 1 foot at 5 seconds, becoming northwest
1 foot at 3 seconds and southeast 1 foot at 5 seconds.
.SUNDAY NIGHT...North winds 15 to 20 knots with gusts up to
25 knots. Seas 2 to 3 feet.
.MONDAY...North winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 2 to 3 feet.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas around
2 feet in the evening, then 1 foot or less.
.TUESDAY...Northeast winds 5 to 10 knots, becoming southeast in
the afternoon. Seas 1 foot or less.
.TUESDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less,
then around 2 feet after midnight.

$$

GMZ452-050600-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
1143 AM CST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...North winds 15 to 20 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 2 feet at 3 seconds and south 2 feet at
6 seconds. A chance of showers with a slight chance of
thunderstorms.
.FRIDAY...North winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: North 2 feet at 3 seconds and south 1 foot at 6 seconds.
A chance of showers in the morning, then showers likely in the
afternoon.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Northeast 2 feet at 3 seconds and south
1 foot at 6 seconds. Showers.
.SATURDAY...Northeast winds around 10 knots. Seas around 2 feet
in the morning, then 1 foot or less. Wave Detail: Northeast
1 foot at 3 seconds and south 1 foot at 5 seconds, becoming
southeast 1 foot at 4 seconds. Showers likely with a slight
chance of thunderstorms in the morning, then a chance of showers
in the afternoon.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Southeast 1 foot at 4 seconds. A chance of showers.
.SUNDAY...Northeast winds 5 to 10 knots, becoming northwest in
the afternoon. Seas 1 foot or less. Wave Detail: Northwest 1 foot
at 3 seconds and southeast 1 foot at 5 seconds. A slight chance
of showers in the morning.
.SUNDAY NIGHT...North winds 15 to 20 knots, increasing to 20 to
25 knots after midnight. Seas 2 to 3 feet. A slight chance of
showers in the evening.
.MONDAY...North winds 20 to 25 knots, diminishing to around
15 knots in the afternoon. Seas 2 to 3 feet.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas around
2 feet in the evening, then 1 foot or less.
.TUESDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less.
.TUESDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$

GMZ455-050600-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
1143 AM CST Thu Dec 4 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...North winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: North 2 feet at 3 seconds and south 1 foot at 5 seconds.
A slight chance of thunderstorms this evening. Showers likely. A
chance of thunderstorms after midnight.
.FRIDAY...North winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas around 2 feet. Wave Detail: North
1 foot at 2 seconds. A slight chance of thunderstorms in the
morning. Showers likely.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas around 2 feet
in the evening, then 1 foot or less. Wave Detail: Northeast
1 foot at 2 seconds. Showers.
.SATURDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Northeast 1 foot at 2 seconds. A slight chance of
thunderstorms. Showers.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: East 1 foot at 2 seconds. A slight chance of
thunderstorms. Showers likely, mainly in the evening.
.SUNDAY...Northeast winds 5 to 10 knots, becoming north in the
afternoon. Seas 1 foot or less. Wave Detail: North 1 foot at
2 seconds. A chance of showers with a slight chance of
thunderstorms in the morning, then a slight chance of showers in
the afternoon.
.SUNDAY NIGHT...North winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. Seas 2 to 3 feet. A slight chance of
showers in the evening.
.MONDAY...North winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 2 to 3 feet.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas around
2 feet in the evening, then 1 foot or less.
.TUESDAY...Northeast winds 5 to 10 knots, diminishing to around
5 knots in the afternoon. Seas 1 foot or less.
.TUESDAY NIGHT...South winds around 5 knots. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$

GMZ470-050600-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
1143 AM CST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...North winds 15 to 20 knots with gusts up to 25 knots.
Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast
4 feet at 5 seconds and south 3 feet at 6 seconds. A slight
chance of thunderstorms until early morning. A chance of showers.
.FRIDAY...North winds 15 to 20 knots, becoming northeast 10 to
15 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: North
3 feet at 5 seconds and southeast 2 feet at 6 seconds. Showers
likely.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: East 2 feet at 5 seconds. Showers.
.SATURDAY...Northeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Northeast 2 feet at 3 seconds and southeast 2 feet
at 6 seconds. Showers likely with a slight chance of
thunderstorms in the morning, then a chance of showers in the
afternoon.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Southeast 2 feet at 5 seconds. A chance of
showers, mainly in the evening.
.SUNDAY...Northwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northwest 2 feet at 3 seconds and southeast 1 foot at
5 seconds. A slight chance of showers in the morning.
.SUNDAY NIGHT...North winds 15 to 20 knots, increasing to 20 to
25 knots after midnight. Seas 2 to 4 feet, building to 4 to
5 feet, occasionally to 6 feet after midnight.
.MONDAY...North winds 20 to 25 knots, diminishing to 15 to
20 knots in the afternoon. Seas 3 to 5 feet, occasionally to
6 feet.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet.
.TUESDAY...Northeast winds 5 to 10 knots. Seas around 2 feet in
the morning, then 1 foot or less.
.TUESDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less,
then around 2 feet after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ472-050600-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
1143 AM CST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...North winds 15 to 20 knots. Seas 3 to 4 feet. Wave
Detail: Northeast 3 feet at 4 seconds and south 3 feet at
6 seconds. Showers likely this evening. A chance of
thunderstorms. A chance of showers after midnight.
.FRIDAY...North winds 15 to 20 knots, becoming northeast 10 to
15 knots in the afternoon. Seas 2 to 4 feet. Wave Detail:
Northeast 3 feet at 4 seconds and southeast 2 feet at 6 seconds.
A slight chance of thunderstorms in the morning. Showers likely.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: North 2 feet at 4 seconds and southeast 2 feet at
6 seconds. Showers.
.SATURDAY...Northeast winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 6 seconds and northeast 1 foot
at 3 seconds. A slight chance of thunderstorms. Showers, mainly
in the morning.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 5 seconds. A chance of showers
with a slight chance of thunderstorms.
.SUNDAY...North winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northeast 2 feet at 4 seconds and southeast 2 feet at
5 seconds. A slight chance of showers.
.SUNDAY NIGHT...North winds 15 to 20 knots, increasing to 20 to
25 knots after midnight. Seas 3 to 5 feet, occasionally to
6 feet. A slight chance of showers in the evening.
.MONDAY...North winds 20 to 25 knots, diminishing to 15 to
20 knots in the afternoon. Seas 3 to 5 feet, occasionally to
6 feet.
.MONDAY NIGHT...Northeast winds around 15 knots, diminishing to
around 10 knots after midnight. Seas 2 to 3 feet.
.TUESDAY...Northeast winds 5 to 10 knots. Seas around 2 feet in
the morning, then 1 foot or less.
.TUESDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$

GMZ475-050600-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
1143 AM CST Thu Dec 4 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...West winds 10 to 15 knots, becoming north with gusts
up to 20 knots late this evening and overnight. Seas 3 to 4 feet.
Wave Detail: South 3 feet at 6 seconds and north 2 feet at
4 seconds. A chance of thunderstorms.
.FRIDAY...North winds 10 to 15 knots. Seas 2 to 4 feet. Wave
Detail: North 2 feet at 4 seconds and southeast 2 feet at
6 seconds. Showers with a slight chance of thunderstorms in the
morning, then showers likely in the afternoon.
.FRIDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: Northeast 2 feet at 5 seconds and south 2 feet at
6 seconds. Showers.
.SATURDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 5 seconds. A slight chance of
thunderstorms. Showers.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to
3 feet. Wave Detail: Southeast 2 feet at 5 seconds. Showers
likely with a slight chance of thunderstorms in the evening, then
a chance of showers and thunderstorms after midnight.
.SUNDAY...North winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: North 2 feet at 3 seconds and south 2 feet at 5 seconds.
A chance of showers with a slight chance of thunderstorms in the
morning, then a slight chance of showers in the afternoon.
.SUNDAY NIGHT...North winds 15 to 20 knots, increasing to 20 to
25 knots after midnight. Seas 2 to 3 feet, building to 3 to
5 feet, occasionally to 6 feet after midnight. A slight chance of
showers.
.MONDAY...North winds 20 to 25 knots, diminishing to 15 to
20 knots in the afternoon. Seas 3 to 5 feet, occasionally to
6 feet.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet.
.TUESDAY...Northeast winds 5 to 10 knots. Seas around 2 feet.
.TUESDAY NIGHT...East winds around 5 knots, becoming south after
midnight. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$